code: def test_video_extraction():
      urls = ["https://www.youtube.com/shorts/fRkZCriQQNU"]
      from src.vision.extract_movie import extract_unique_frames
  
      export_dir = extract_unique_frames(urls=urls, download_dir=None)
      image_files = [
          f
          for f in os.listdir(export_dir)
          if os.path.isfile(os.path.join(export_dir, f))
      ]
      assert len(image_files) > 9
      assert image_files[0].endswith(".jpg")
      print(export_dir)
  
file_path: h2ogpt/tests/test_vision.py
imports: import os
  import time
  from tests.utils import wrap_test_forked
label_desc: Use image node_id 6 for calling a global function with example usage: test_video_extraction() without return types